EDGAR Filing Documents for 0001057352-10-000023

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:

SEC Accession No. 0001057352-10-000023

Filing Date

2010-04-23

Accepted

2010-04-22 19:21:45

Documents

Period of Report

2010-03-31

Document Format Files

Seq	Description	Document	Type	Size
1	1Q 2010 QUARTERLY REPORT	form_10q.htm	10-Q	959940
2	PURCHASE AND SALE AGREEMENT	psa.htm	EX-10.1	422860
3	CEO CERT	ceo_cert.htm	EX-31.1	17290
4	CFO CERT	cfo_cert.htm	EX-31.2	17699
5	CEO 906 CERT	ceo-906_cert.htm	EX-32.1	9285
6	CFO 906 CERT	cfo-906_cert.htm	EX-32.2	9360
	Complete submission text file	0001057352-10-000023.txt		1437838

Mailing Address 2 BETHESDA METRO CENTER 10TH FLOOR BETHESDA MD 20814

Business Address 2 BETHESDA METRO CENTER 10TH FLOOR BETHESDA MD 20814 3012158300

COSTAR GROUP INC (Filer) CIK: 0001057352 (see all company filings)

IRS No.: 522091509 | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 000-24531 | Film No.: 10765507
SIC: 7389 Services-Business Services, NEC